CN211063786U

CN211063786U - Electric megaphone convenient to installation

Info

Publication number: CN211063786U
Application number: CN202020958446.6U
Authority: CN
Inventors: 刘海周
Original assignee: Guangzhou Hongting Technology Co ltd
Current assignee: Guangzhou Hongting Technology Co ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2020-07-21
Anticipated expiration: 2030-06-01

Abstract

The utility model discloses an electric loudspeaker convenient to install, which comprises a device bottom plate, rubber foot pads are arranged at four corners of the lower side wall of the device bottom plate, strut fixing seats are arranged at the left end and the right end of the rear side of the upper side wall of the device bottom plate, metal struts are arranged at the upper ends of the strut fixing seats, strut fixing clamps are sleeved at the upper ends and the lower ends of the outer side walls of the metal struts, the front ends of the strut fixing clamps are fixed at the rear side wall of a flat bracket, a vertical elbow clamp is longitudinally arranged at the middle part of the front side wall of the flat bracket, the stability of the whole device during clamping can be kept by hanging a tension spring on a first spring fixing clamp, the definition of sound can be improved by an arranged sound filtering screen, the damage of the electric loudspeaker caused by overheating can be prevented by the arranged heat dissipation effect, the utility model has simple structure and is convenient to install in various occasions, the practicability is strong, and the popularization is convenient.

Description

Electric megaphone convenient to installation

Technical Field

The utility model relates to a public address equipment technical field, concrete field is an electric megaphone convenient to installation.

Background

The sound amplifier is used for amplifying sound and transmitting the sound farther as the name implies, and the sound penetrating power of the sound amplifier is stronger compared with that of a sound box. According to the using mode: can be divided into wired loud-speakers and wireless loud-speakers; the loudspeaker can be divided into a teaching loudspeaker, a tour guide loudspeaker and an entertainment loudspeaker according to the use purpose. Loudspeakers can be divided into various types according to the size, the use mode and the application, and each loudspeaker has the use advantages. The portable loud-speaker is limited by the shape, size and horn, and the power is generally only 3-8W. The wireless loudspeaker and the wired loudspeaker have different sizes and different purposes, are small in size, are suitable for teachers and tour guides, are hung on the waist, enable hands to play more freely, and are generally 3W-8W in power. The large-volume solar water heater is suitable for places with large flow of people such as outdoor activities, summer camp, out-of-class lectures and the like, and the power is 35-95W. The lithium electric microphone is one of the categories according to the type of battery used. The problem of pollution of traditional dry battery to the environment has been solved to it, and it mainly adopts the cell-phone lithium electricity technique to supply power for the megaphone, but most outdoor megaphone is very inconvenient on the mode of fixing, and it is fixed to adopt the iron wire of bundling many, and it is very troublesome to fix.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric megaphone convenient to installation to solve most outdoor megaphone that proposes in the above-mentioned background art and be very inconvenient on fixed mode, it is fixed to adopt the iron wire of binding a lot, fixes very trouble problem.

In order to achieve the above object, the utility model provides a following technical scheme: an electric sound amplifier convenient to install comprises a device bottom plate, wherein rubber foot pads are installed at four corners of a lower side wall of the device bottom plate, strut fixing seats are installed at the left end and the right end of the rear side of an upper side wall of the device bottom plate, metal struts are installed at the upper ends of the strut fixing seats, strut fixing clamps are sleeved at the upper ends and the lower ends of outer side walls of the metal struts, the front ends of the upper strut fixing clamps are fixed on the rear side wall of a flat bracket, vertical elbow clamps are longitudinally installed in the middle of the front side wall of the flat bracket, first spring fixing seats are installed at the front ends of handles of the vertical elbow clamps, a pressing plate is installed at the lower ends of the vertical elbow clamps, rubber anti-skidding pads are installed on the lower side wall of the pressing plate, second spring fixing seats are installed on the left side and the right side of the middle part of the upper side wall of the pressing plate, extension springs, the rear end of the third spring fixing seat is fixed on the front side wall of the flat support, guide shafts are mounted at the left end and the right end of the upper side wall of the pressing plate, a linear bearing is sleeved at the middle of the outer side wall of the guide shaft, the rear side wall of the linear bearing is fixed on the front side wall of the flat support, a fixing ring is mounted at the upper end of the outer side wall of the guide shaft, a metal gasket is mounted on the upper side of the fixing ring, the inner side of the metal gasket is sleeved on the outer side wall of the guide shaft, the rear end of the support fixing clamp is connected to the front end face of the electric loudspeaker shell, heat exhaust fan bodies are mounted at the left side and the right side of the upper side wall of the electric loudspeaker shell, a rotating shaft is mounted at the middle of the heat exhaust fan bodies, a plurality of heat exhaust fan blades are mounted on the rotating shaft, an electric loudspeaker fixing plate is mounted at the rear end of the, the rear end face of the front panel of the electric loudspeaker is provided with a sound filtering screen, and the front end of the sound filtering screen is provided with a built-in loudspeaker assembly.

Preferably, the upper end of the pillar fixing seat is provided with an internal thread hole, the lower end of the outer side wall of the metal pillar is provided with an external thread, and the metal pillar is in threaded connection with the upper side wall of the pillar fixing seat.

Preferably, be provided with a plurality of screw holes on the flat support, perpendicular elbow presss from both sides through the screw with flat support threaded connection.

Preferably, the rubber anti-slip pad is glued to the lower side wall of the pressing plate.

Preferably, the electric megaphone outer shell, the electric megaphone fixing plate and the electric megaphone front panel are all light aluminum alloy components, and the electric megaphone outer shell is fixedly connected with the support fixing clamp.

Preferably, the number of the heat exhaust fan blades is more than two, and the heat exhaust fan blades are uniformly arranged on the outer side wall of the rotating shaft.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a pair of effect that convenient to installation's electric loudspeaker pressed to the device bottom plate direction through the perpendicular elbow clamp control clamp plate that sets up can the clamping on most levers or supports, need not also place through the rubber foot pad original place that sets up when the eminence clamping at electric loudspeaker, can keep the stability of whole device when the clamping through hanging extension spring on first spring fixation clamp, the sound filtering screen panel through setting up can improve the definition of sound, can play the radiating effect through the heat extraction fan main part that sets up, axis of rotation and heat extraction flabellum and prevent overheated leading to electric loudspeaker damage, the utility model discloses simple structure, be convenient for install in various occasions, the practicality is strong, the facilitate promotion.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic top view of the present invention;

fig. 4 is a rear view of the front panel of the electric loudspeaker.

In the figure: 1-device bottom plate, 2-rubber foot pad, 3-strut fixing seat, 4-metal strut, 5-strut fixing clamp, 6-flat bracket, 7-vertical elbow clamp, 8-first spring fixing seat, 9-pressing plate, 10-rubber non-slip pad, 11-second spring fixing seat, 12-extension spring, 13-third spring fixing seat, 14-guide shaft, 15-linear bearing, 16-fixing ring, 17-metal washer, 18-electric loudspeaker shell, 19-heat removal fan main body, 20-rotating shaft, 21-heat removal fan blade, 22-electric loudspeaker fixing plate, 23-electric loudspeaker front panel, 24-sound filtering screen cover and 25-built-in loudspeaker component.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an electric sound amplifier convenient for installation comprises a device bottom plate 1, rubber foot pads 2 are arranged at four corners of the lower side wall of the device bottom plate 1, enough friction force and stability are provided when the device is placed at ordinary times, strut fixing seats 3 are arranged at the left end and the right end of the rear side of the upper side wall of the device bottom plate 1, metal struts 4 are arranged at the upper ends of the strut fixing seats 3, the matching of the strut fixing seats 3 and the metal struts 4 can connect the upper side and the lower side of the whole device, strut fixing clamps 5 are sleeved at the upper end and the lower end of the outer side wall of the metal struts 4, various mechanisms capable of connecting the front end and the rear end of the whole device, the front ends of the upper two strut fixing clamps 5 are fixed at the rear side wall of a flat bracket 6, a vertical elbow clamp 7 is longitudinally arranged at the middle part of the front side wall of the flat bracket 6, and the lifting motion of a telescopic, a first spring fixing seat 8 is arranged at the front end of a handle of a vertical elbow clamp 7, a pressing plate 9 is arranged at the lower end of the vertical elbow clamp 7, a rubber anti-skid pad 10 is arranged on the lower side wall of the pressing plate 9, second spring fixing seats 11 are arranged on the left side and the right side of the middle part of the upper side wall of the pressing plate 9, an extension spring 12 is connected with the upper end of the second spring fixing seat 11, a third spring fixing seat 13 is connected with the upper end of the extension spring 12, the extension spring 12 can provide the contraction force of clamping equipment during clamping of the device, the upper end of the extension spring 12 can be hung on the third spring fixing seat 13 to fix the position of the pressing plate 9 when the device is not clamped, so that the pressing plate 9 cannot easily shake, the rear end of the third spring fixing seat 13 is fixed on the front side wall of a flat bracket 6, guide shafts 14 are arranged at the, the rear side wall of the linear bearing 15 is fixed on the front side wall of the flat bracket 6, the upper end of the outer side wall of the guide shaft 14 is provided with a fixed ring 16, the upper side of the fixed ring 16 is provided with a metal gasket 17, the inner side of the metal gasket is sleeved on the outer side wall of the guide shaft 14, the rear end of the pillar fixing clamp 5 is connected with the front end surface of the electric loudspeaker shell 18, the left side and the right side of the upper side wall of the electric loudspeaker shell 18 are provided with heat exhaust fan main bodies 19, the middle part of the heat exhaust fan main body 19 is provided with a rotating shaft 20, the rotating shaft 20 is provided with a plurality of heat exhaust fan blades 21 which can exhaust heat in the electric loudspeaker shell 18 to avoid damage of each mechanism of the electric loudspeaker due to overheating, the rear end of the electric loudspeaker shell 18 is provided with an electric loudspeaker fixing plate 22, the rear end of the electric loudspeaker fixing plate 22 is provided with an electric loudspeaker front panel 23, the rear end surface of, the output of noise can be reduced to improve the clarity of sound, and the front end of the sound filtering mesh enclosure 24 is provided with a built-in speaker assembly 25.

Specifically, the upper end of the pillar fixing base 3 is provided with an internal thread hole, the lower end of the outer side wall of the metal pillar 4 is provided with an external thread, and the metal pillar 4 is in threaded connection with the upper side wall of the pillar fixing base 3.

Specifically, a plurality of threaded holes are formed in the flat bracket 6, and the vertical toggle clamp 7 is screwed with the flat bracket 6 through screws.

Specifically, the rubber mat 10 is glued to the lower side wall of the pressure plate 9.

Specifically, the electric microphone housing 18, the electric microphone fixing plate 22, and the electric microphone front plate 23 are all light aluminum alloy components, and the electric microphone housing 18 is fixedly connected to the pillar fixing clip 5.

Specifically, the number of the heat discharging fins 21 is greater than two, and the heat discharging fins 21 are uniformly arranged on the outer side wall of the rotating shaft 20.

The working principle is as follows: the utility model discloses when using, press to device bottom plate 1 direction through pulling handle control clamp plate 9 that installs on the perpendicular elbow clamp 9 of lateral wall before flat support 6 downwards, can the clamping on most levers or supports through the power with device bottom plate 1 interact, it is convenient and practical, take off extension spring 12's upper end from third spring fixing base 13, then hang it on first spring fixation clamp 8, elasticity through extension spring 12 itself can keep the stability of whole device when the clamping, rubber foot pad 2 original place that also can pass through the installation when the eminence clamping need not to expand the loudspeaker with the electricity is placed, can improve the definition of sound through the sound filtering screen panel 24 that sets up, heat extraction fan main part 19 through the setting, axis of rotation 20 and heat extraction flabellum 21 play the radiating effect and prevent overheated leading to built-in speaker subassembly 25 damage.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of description and attached drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model is including the conventional connected mode of circuit connection adoption conventional among the prior art, and here detailed description is not again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An electric megaphone convenient to installation, includes device bottom plate (1), its characterized in that: rubber foot pads (2) are installed at four corners of the lower side wall of the device bottom plate (1), strut fixing seats (3) are installed at the left end and the right end of the rear side of the upper side wall of the device bottom plate (1), metal struts (4) are installed at the upper ends of the strut fixing seats (3), strut fixing clamps (5) are sleeved at the upper ends and the lower ends of the outer side wall of the metal struts (4), the front ends of the strut fixing clamps (5) are fixed on the rear side wall of a flat support (6), vertical elbow clamps (7) are vertically installed in the middle of the front side wall of the flat support (6), first spring fixing seats (8) are installed at the front ends of handles of the vertical elbow clamps (7), pressing plates (9) are installed at the lower ends of the vertical elbow clamps (7), rubber anti-skid pads (10) are installed on the lower side wall of the pressing plates (9), second spring fixing seats (11) are installed at the left side and, the upper end of the second spring fixing seat (11) is connected with an extension spring (12), the upper end of the extension spring (12) is connected with a third spring fixing seat (13), the rear end of the third spring fixing seat (13) is fixed on the front side wall of the flat support (6), guide shafts (14) are installed at the left end and the right end of the upper side wall of the pressing plate (9), linear bearings (15) are sleeved at the middle parts of the outer side walls of the guide shafts (14), the rear side walls of the linear bearings (15) are fixed on the front side wall of the flat support (6), fixing rings (16) are installed at the upper ends of the outer side walls of the guide shafts (14), metal gaskets (17) are installed on the upper sides of the fixing rings (16), the inner sides of the metal gaskets are sleeved on the outer side walls of the guide shafts (14), the rear ends of the strut fixing clamps (5) are connected to the front end face of the electric loudspeaker, the utility model discloses a loudspeaker, including loudspeaker shell (18), heat extraction fan main part (19) are all installed to the left and right sides of lateral wall on loudspeaker shell (18), the mid-mounting of heat extraction fan main part (19) has axis of rotation (20), install a plurality of heat extraction flabellum (21) on axis of rotation (20), loudspeaker fixed plate (22) are installed to the rear end of loudspeaker shell (18), loudspeaker front panel (23) are installed to the rear end of loudspeaker fixed plate (22), sound filtering screen panel (24) are installed to the rear end face of loudspeaker front panel (23), built-in speaker subassembly (25) are installed to the front end of sound filtering screen panel (24).

2. An easily installable electric loudspeaker according to claim 1, characterised in that: the upper end of pillar fixing base (3) is provided with the internal thread hole, the lower extreme of metal pillar (4) lateral wall is provided with the external screw thread, metal pillar (4) threaded connection in the last lateral wall of pillar fixing base (3).

3. An easily installable electric loudspeaker according to claim 1, characterised in that: be provided with a plurality of screw holes on flat support (6), perpendicular elbow press from both sides (7) through the screw with flat support (6) threaded connection.

4. An easily installable electric loudspeaker according to claim 1, characterised in that: the rubber anti-skid pad (10) is glued to the lower side wall of the pressing plate (9).

5. An easily installable electric loudspeaker according to claim 1, characterised in that: the electric megaphone outer shell (18), the electric megaphone fixing plate (22) and the electric megaphone front panel (23) are light aluminum alloy components, and the electric megaphone outer shell (18) is fixedly connected with the support fixing clamp (5).

6. An easily installable electric loudspeaker according to claim 1, characterised in that: the quantity of heat removal flabellum (21) is greater than two, just heat removal flabellum (21) are in the lateral wall align to grid of axis of rotation (20).